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Finding the Fourth Proportional to 234,665.73, 323,719.50 and 148,479.48

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Solution

The fourth proportional to 234,665.73, 323,719.50 and 148,479.48 is: 204,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,665.73 : 323,719.50 = 148,479.48 : x
  2. Step 2: Convert to fraction form
    234,665.73/323,719.50 = 148,479.48/x
  3. Step 3: Cross multiply
    234,665.73x = 323,719.50 × 148,479.48
  4. Step 4: Simplify right side
    234,665.73x = 48,065,703,025.86
  5. Step 5: Solve for x
    x = 48,065,703,025.86/234,665.73
  6. Step 6: Final answer
    x = 204,826.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.